Prosecutors claim the watch was a bribe to keep Gavin from revealing that Jackson plied him with alcohol.

Defence lawyers insist the Arvizo family were out to extort money from Jackson and other celebrities. They have portrayed his child abuse charges as a blackmail attempt.

Ms Bell also revealed that she served Jackson wine in a Diet-Coke can but did not see Gavin drink from it, as the prosecution claims.

Earlier, Ms Bell said it was her idea to give Jackson wine in soft drink cans and it became a routine on all of the star's flights because 'Michael Jackson is a very private drinker' and a nervous flier who could not stand turbulence.

She said Gavin, now 15, was rude and unruly during the flight, at one point starting a food fight by hurling mashed potatoes at a sleeping doctor who was travelling with Jackson. The teenager also made a string of unreasonable complaints, Ms Bell added.

'His chicken was warm. "I want a side order of coleslaw. I don't want it on the same plate".